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Finding the Fourth Proportional to 150,530.94, 225,754.29 and 45,334.62

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Solution

The fourth proportional to 150,530.94, 225,754.29 and 45,334.62 is: 67,989.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,530.94 : 225,754.29 = 45,334.62 : x
  2. Step 2: Convert to fraction form
    150,530.94/225,754.29 = 45,334.62/x
  3. Step 3: Cross multiply
    150,530.94x = 225,754.29 × 45,334.62
  4. Step 4: Simplify right side
    150,530.94x = 10,234,484,950.52
  5. Step 5: Solve for x
    x = 10,234,484,950.52/150,530.94
  6. Step 6: Final answer
    x = 67,989.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.